Microwave oven



FIG. 1 is a top, front and right side perspective view of a microwave oven showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a left side elevational view thereof;

The numbers shown in broken lines in FIGS. 1 and 2 are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a microwave oven, as shown and described. 